package com.sky.mapper;

import com.sky.entity.Dish;
import com.sky.entity.SetmealDish;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.List;

@Mapper
public interface SetmealDishMapper {

    /**
     * 根据菜品ID查询套餐ID
     * @param dishIds
     * @return
     */
    public List<Long> getSetmealIDsByDishIDs(List<Long> dishIds);


    /**
     * 批量保存套餐和菜品的关联关系
     * @param setmealDishes
     */
    void insertBatch(List<SetmealDish> setmealDishes);


    /**
     * 根据套餐id删除套餐和菜品的关联关系
     * @param setmealId
     */
    @Delete("delete from setmeal_dish where setmeal_id = #{setmealId}")
    void deleteBySeteamlId(Long setmealId);


    /**
     * 根据套餐id查询菜品信息
     * @param setmealId
     * @return
     */
    @Select("select * from setmeal_dish where setmeal_id =#{setmealId}")
    List<SetmealDish> queryBySetmealId(Long setmealId);


    /**
     * 根据套餐id查找菜品信息
     * @param setmealId
     * @return
     */
    @Select("select dish.* from setmeal_dish left join dish on setmeal_dish.dish_id = dish.id where setmeal_dish.setmeal_id = #{setmealId}")
    List<Dish> getBySetmealId(Long setmealId);
}
